Medium severity5.5NVD Advisory· Published Aug 24, 2022· Updated Jun 17, 2026

CVE-2021-4214

Description

A heap overflow flaw was found in libpngs' pngimage.c program. This flaw allows an attacker with local network access to pass a specially crafted PNG file to the pngimage utility, causing an application to crash, leading to a denial of service.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Libpng/Libpng2 versions
cpe:2.3:a:libpng:libpng:1.6.0:-:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:libpng:libpng:1.6.0:-:*:*:*:*:*:*
- (no CPE)
NetApp/Ontap Select Deploy Administration Utility
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
libpngs/pngimage.cdescription

Patches

Vulnerability mechanics

References

bugzilla.redhat.com/show_bug.cginvdExploitIssue TrackingThird Party Advisory
github.com/glennrp/libpng/issues/302nvdExploitThird Party Advisory
access.redhat.com/security/cve/CVE-2021-4214nvdThird Party Advisory
security-tracker.debian.org/tracker/CVE-2021-4214nvdThird Party Advisory
security.netapp.com/advisory/ntap-20221020-0001/nvdThird Party Advisory

News mentions

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cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000